Granted Patent
Utility
US 5,322,321 · App. 07/997,068
Vehicle active suspension system
Inventor:
Wilford Trent Yopp
Patented Case
View Patent ↗
Granted: Jun 21, 1994
Filed: Dec 28, 1992
Inventor
Wilford Trent Yopp
Assignee (at issue)
Ford Motor Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.